16 Radical Kids' Climbing and Sliding Spaces

We know we're not the only ones with childhood dreams of hidden passageways, slides, and ladders. Here are 16 radical indoor spaces that fulfill those dreams and help burn off excess energy: Above: A short slide in a girls' bedroom; photo via Milk Magazine . Above: A white ladder functions as a climbing wall; photo via Mrs. Jones . Above: London architect Alex Michaelis created a slide for his children in his city house. For more, see 10 Radical Staircases for Tight Spaces . Above: A slide in an East Village penthouse designed by Turret Collaborative Architects . Above: A loft space in Los Angeles, photographed by June and John Brown for OWI . Above L: A sliding pole via My Scandinavian Retreat. Above R: A house in London designed by Anita Kaushal . Above: The climbing wall in a child's room in New York also adds colorful accents to the room. Image via AlignedNYC . See more at 5 Favorites: Children's Climbing Walls . Above: A built-in slide in a house in Nakameguro, Japan, by Level Architects . Above L: An indoor climbing ladder photographed by Louis Lemaire . Above R: A ladder in a home designed by Gustave Carlson in Inverness (R). Above: This climbing wall by Feldman Architecture allows a child to climb to the next floor. Photo by Joe Fletcher . Above: An indoor steel slide in Skyhouse, a Manhattan penthouse designed by David Hotson. Photograph via Dezeen . Above: A climbing wall in the upper rafters at David Hotson's Skyhouse in Lower Manhattan. Photograph via Dezeen . Above: A concrete slide in Playhouse , a house near Jakarta designed by Indonesian architects Aboday. Above: An interior climbing wall in Bergen, Norway, by Saunders Architecture via ArchDaily . For rock climbers in the making, see 5 Favorites: Children's Climbing Walls for even more indoor and outdoor climbing walls. N.B.: This post is an update; the original story ran on November 27, 2009.